252138416

素因数分解:

$2^4\times {\mathrm{1993}}^1\times {\mathrm{7907}}^1$

素因数の和:9908

約数の個数: 20

約数和(自身を含む): 488825112

約数和(自身を除く): 236686696

約数列:

[1, 2, 4, 8, 16, 1993, 3986, 7907, 7972, 15814, 15944, 31628, 31888, 63256, 126512, 15758651, 31517302, 63034604, 126069208, 252138416]

約数ペア:

[(1, 252138416), (2, 126069208), (4, 63034604), (8, 31517302), (16, 15758651), (1993, 126512), (3986, 63256), (7907, 31888), (7972, 31628), (15814, 15944)]